Promise of Loyalty
March of the Machine Commander 200 • rare
- Set
- March of the Machine Commander
- Collector number
- 200
- Rarity
- Rare
- Mana cost
- 4 generic mana white mana
- Type
- Sorcery
- Colors
- White
- Artist
- Sara Winters
- Market price
- $0.39
What it does
Each player puts a vow counter on a creature they control and sacrifices the rest. Each of those creatures can't attack you or planeswalkers you control for as long as it has a vow counter on it.
"It's us against the world. Forever."
Where you can play it
- StandardNot legal
- PioneerNot legal
- ModernNot legal
- LegacyLegal
- VintageLegal
- CommanderLegal
- PauperNot legal
- BrawlNot legal
- HistoricNot legal
- TimelessNot legal
- Penny DreadfulNot legal
- OathbreakerLegal
Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC. Card text via Scryfall. Not approved or endorsed by Wizards. As of the last catalogue refresh.
Where to find one
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Where it came from
Promise of Loyalty was released in 2023 as part of the March of the Machine Commander set, a expansion designed to tie into the conclusion of the Phyrexian invasion storyline within the Magic: The Gathering multiverse. This card fits into the white-aligned 'Growing Threat' preconstructed deck, which highlights the strategic resilience and defensive capabilities central to the color's mechanical identity in the Commander format.
The card features artwork by artist Jason A. Engle, whose work frequently leans into high-fantasy aesthetics with a focus on dramatic light and structural detail. The design intent behind Promise of Loyalty was to provide a board-clearing effect that encourages political play; by allowing opponents to keep their most significant creature while forcing the sacrifice of others, it serves as both a reset button and a tool for negotiation, a hallmark of multiplayer design philosophy.
Generated by Pi, the collecto.rs collecting companion
Who's collecting this
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About Promise of Loyalty
Promise of Loyalty is a card in the Magic: The Gathering catalog on collecto.rs. March of the Machine Commander 200 • rare. Catalog data is sourced from Scryfall. No public cards collectors track this one yet — adding yours would make you the first on collecto.rs.
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Where does the Promise of Loyalty catalog entry come from?
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